If you’re working on a Mac and your machine will support Yosemite, you’ll gain some considerable performance (ranging from around 10%-70%) by upgrading from Mavericks. Here’s what’s changed:
Drivers for NVIDIA cards are faster in general than in Mavericks.
Driver updates in Yosemite have resolved a bug for Intel GPUs that required us to work around them when modifying frame-buffer blend-state to avoid glitches, costing significant performance. This is ratified in 4.6.
Viewport icons rendering with a diagonal line on AMD Dx00 cards in new Mac Pros has also been fixed in Yosemite.
All future driver improvements made by Apple will be limited to Yosemite, as well.
Hi,
I bought an iMac 5K and installed UE4 on this new machine. I mostly use UE4 on windows pc.
On OSx I don’t find all demo scenes that we have in windows version. Why?
There is support for gestures in editor as of 4.4. If it isn’t working for you, can you open a new post in Bug Reports section of AnswerHub with as many details as you may have, including reproduction steps? Here’s a link:
Still using Mountain Lion as iOS build machine for UE4, and if you are also in group who not in mood to upgrade till last minute (Like till Feb 2015), 10.8.x is still rock solid for pumping out iOS binaries ( with some minor code modification to make UE4 backward compatible with 10.8.x )